Ion beam extraction electrode



FIG. 1 is a front view showing the ion beam extraction electrode;

FIG. 2 is a rear view thereof;

FIG. 3 is a plan view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is an enlarged sectional view of FIG. 3;

FIG. 9 is an enlarged sectional view of FIG. 3;

FIG. 10 is an enlarged sectional view of FIG. 3;

FIG. 11 is an enlarged cross-sectional view of FIG. 8;

FIG. 12 is an enlarged sectional view of FIG. 8;

FIG. 13 is an enlarged sectional view of FIG. 9;

FIG. 14 is an enlarged sectional view of FIG. 10; and,

FIG. 15 is an enlarged perspective view of FIG. 7.

The broken lines in the drawings are intended to show portions of the ion beam extraction electrode that are not being claimed, and thus form no part of the claimed design. 

CLAIM The ornamental design for an ion beam extraction electrode, as shown and described. 